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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2052) ContainerId creation after work preserving restart is broken
Date Fri, 27 Jun 2014 22:57:24 GMT

    [ https://issues.apache.org/jira/browse/YARN-2052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046504#comment-14046504
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Vinod Kumar Vavilapalli commented on YARN-2052:
-----------------------------------------------

Not related to this patch, but I think CURRENT_VERSION_INFO shouldn't be in ZKRMStateStore.
Filed YARN-2226.

> ContainerId creation after work preserving restart is broken
> ------------------------------------------------------------
>
>                 Key: YARN-2052
>                 URL: https://issues.apache.org/jira/browse/YARN-2052
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2052.1.patch, YARN-2052.2.patch, YARN-2052.3.patch, YARN-2052.4.patch,
YARN-2052.5.patch, YARN-2052.6.patch, YARN-2052.7.patch, YARN-2052.8.patch, YARN-2052.9.patch,
YARN-2052.9.patch
>
>
> Container ids are made unique by using the app identifier and appending a monotonically
increasing sequence number to it. Since container creation is a high churn activity the RM
does not store the sequence number per app. So after restart it does not know what the new
sequence number should be for new allocations.



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